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/* Copyright (c) 2012 Tobias Wolf, All Rights Reserved
 *
 * The contents of this file is dual-licensed under 2
 * alternative Open Source/Free licenses: LGPL 2.1 or later and
 * Apache License 2.0. (starting with JNA version 4.0.0).
 *
 * You can freely decide which license you want to apply to
 * the project.
 *
 * You may obtain a copy of the LGPL License at:
 *
 * http://www.gnu.org/licenses/licenses.html
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "LGPL2.1".
 *
 * You may obtain a copy of the Apache License at:
 *
 * http://www.apache.org/licenses/
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "AL2.0".
 */
package com.sun.jna.platform.win32.COM;

import com.sun.jna.platform.win32.Guid.IID;
import com.sun.jna.platform.win32.Guid.REFIID;
import com.sun.jna.platform.win32.WinNT.HRESULT;
import com.sun.jna.ptr.PointerByReference;

// TODO: Auto-generated Javadoc
/**
 * Wrapper class for the ITypeInfo interface
 *
 * 
 * 
 * 
 * 
 * 
 * Method Name V-Table Offset
IUnknown.QueryInterface 0
IUnknown.AddRef 4
IUnknown.Release 8
 *
 * @author Tobias Wolf, [email protected]
 */
public interface IUnknown {

    /** The Constant IID_IDispatch. */
    public final static IID IID_IUNKNOWN = new IID(
            "{00000000-0000-0000-C000-000000000046}");

    public HRESULT QueryInterface(REFIID riid, PointerByReference ppvObject);

    public int AddRef();

    public int Release();
}